This issue appears to continue at random in modern versions of OS X as well, including OS X 10.11.1 EL Capitan While OS X 10.10.3 has helped address some of the trouble, another issue appears to have popped up for a select group of users, where opening a folder is incredibly slow, Since you're going to be modifying files, you should backup your Mac first before beginning. Unlike some of the other Finder troubles, the Finder process usually doesn't eat much CPU or crash repeatedly, it's just inordinately slow when loading folder views, populating files, and opening folders. check over here
The very slow folder opening experience can happen in any Open or Save dialog box or the Finder of OS X, or just about anywhere else you may be working with That difference in behavior is important to note, though there is little harm in following the troubleshooting tricks below in addition to those offered here if you're encountering multiple issues with Home Mac OS X iPhone iPad Tips & Tricks Jailbreak News iOS Fix Abnormally Slow Folder Opening & Folder Populating in OS X 10.10.3 Apr 17, 2015 - From the OS X Finder, hit Command+Shift+G to summon Go To Folder and enter the following path: ~/Library/Caches/CloudKit/ Sort the folder by name and drag the following three files to the
Fixing Slow Finder Folder Opening & Slow Folder Populating in OS X If you're one of the users experiencing this slow folder loading issue in OS X 10.10.3 or later, you For Mac users who are comfortable with the command line and using wildcards with the rm command (risky for novices!), the above process can be shortened dramatically with the following syntax Heads up to them for the resolution, let us know if this works for you.